#C43E40#C43E40

#C43E40 is a mid, vivid red. Relative luminance 0.156; OKLCH L 55.8% C 0.170 H 23.8°. Best body text is #FFFFFF at 5.11:1 contrast (WCAG AA passes).

Color values

HEX	#C43E40
RGB	rgb(196, 62, 64)
HSL	hsl(359, 53%, 51%)
HSV	hsv(359, 68%, 77%)
CMYK	cmyk(0%, 68.4%, 67.3%, 23.1%)
CIE-LAB	lab(46.38, 53.22, 29.34)
CIE-LCH	lch(46.38, 60.78, 28.87°)
OKLab	oklab(55.83% 0.156 0.0687)
OKLCH	oklch(55.83% 0.17 23.8)
XYZ	xyz(25.4157, 15.5548, 6.5136)
Luminance	0.1555 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C43E40 #3EC4C2

analogous

#C43E83 #C43E40 #C47F3E

triadic

#C43E40 #40C43E #3E40C4

tetradic

#C43E40 #83C43E #3EC4C2 #7F3EC4

square

#C43E40 #83C43E #3EC4C2 #7F3EC4

split-complementary

#C43E40 #3EC47F #3E83C4

monochromatic

#682021 #972E30 #C43E40 #D26D6E #E19C9D

Accessibility & contrast

On white

5.11

#C43E40 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.11

#C43E40 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C43E40

5.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C43E40	#FFFFFF	#000000	##FFFFFF
##C43E40	1.00	5.11	4.11	5.11
#FFFFFF	5.11	1.00	21.00	1.00
#000000	4.11	21.00	1.00	21.00
##FFFFFF	5.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#635C3F

Deuteranopia (green-blind)

#84783C

Tritanopia (blue-blind)

#D71840

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #c43e40;
/* rgb */ color: rgb(196, 62, 64);
/* oklch */ color: oklch(55.8% 0.170 23.8);

Tailwind

colors: {
  custom: {
    50: '#dd7b75',
    500: '#c43e40',
    950: '#000000',
  },
}

SCSS

$custom: #c43e40;
$custom-light: #dd7b75;
$custom-dark: #000000;

JSON

{
  "hex": "#c43e40",
  "rgb": {
    "r": 196,
    "g": 62,
    "b": 64
  },
  "hsl": {
    "h": 359.104,
    "s": 53.175,
    "l": 50.588
  },
  "oklch": {
    "l": 0.55833,
    "c": 0.17044,
    "h": 23.8
  },
  "luminance": 0.15551
}

Semantic roles & 50–950 ramp

primary

#C43E40

secondary

#91CDCC

accent

#DDDA4B

background

#FEF7F7

surface

#FDEEED

border

#D5C9C8

text

#170A08

muted

#857C7B

Preview Lab

Preview with #C43E40

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →